Cooling Circuit; Operating Mode; Setpoints; Release - Siemens Albatros RVS46 Series User Manual

Operating mode

Setpoints

Release

Cooling curve

Siemens
Building Technologies

6.7 Cooling circuit

For cooling mode, the operating mode (BZ 901) must be enabled and released by the
scheduler (BZ 907). The system automatically operates in cooling mode when the room
temperature rises above the Comfort cooling setpoint (operating line 902) and the
cooling limit is exceeded.
Cooling mode is interrupted if there is a heating demand from heating/cooling circuit 1,
or if a heating demand signal is received from the DHW circuit or another heating
circuit.
Line no. Operating line
901 Operating mode
Off ¦ Automatic
This line is used to set the operating mode for cooling.
This setting is the same as the selection of cooling mode with the cooling button on a
room unit.
Off
Cooling mode is off.
Automatically
Automatic mode controlled by the time program, occupancy button or holiday program,
subject to the enable conditions set via operating line 907.
If the cooling enable signal is set to 24h/day via operating line 907, then the cooling
button can be used as an on/off button.
Line no. Operating line
902 Comfort cooling setpoint
Room setpoint in cooling mode.
Summer compensation, operating line 920 can raise the setpoint as a function of the
outside temperature.
Line no. Operating line
907 release
24h/day ¦ Time programs HCs ¦ Time program 5
The parameter "Release" determines the time program in accordance with which
cooling is enabled.
24 h/day
Cooling is released continuously (24 hours a day)
Time programs, HCs
Cooling is enabled in accordance with the heating circuit time program
Time program 5
Cooling is enabled in accordance with time program 5.
Line no. Operating line
908 Flow setpoint at OT 25°C
909 Flow setpoint at OT 35°C
User Manual
Cooling circuit
77/138
CE1U2353en
2014-07-30